/Engine/Plugins/Editor/ObjectMixer/ObjectMixer/Source/ObjectMixer/Public/Views/Widgets/ObjectMixerEditorUWidget.h
User Configurable Variables.
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FObjectMixerWidgetUserConfig
TSubclassOf<UO...
DefaultFilterClass
Sets the default filter class to determine what objects and properties to display in this Object Mixer instance.